Dane Cook is headed to the tropics.

The comedian will guest star on next week's episode of Hawaii Five-O as a character very much akin to his on-stage personality. He'll portray Danno's brother, Matt, who arrives in town... for a reason we cannot reveal here.

Elsewhere on "Loa Aloha," as previewed here, the team must find a bomber who is setting off explosions for revenge. Check out the official promo now:

Matt Richenthal is the Editor in Chief of TV Fanatic. Follow him on Twitter and on Google+.